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Geoff 90



Member Since: 21 Jan 2012
Location: Wexford/Dublin
Posts: 26
Split second loss of power
Was driving down the motorway earlier pottering alone at 90kph and came up to a slow moving truck so indicated and went to move into the middle lane and went to increase acceleration when I went to do this there was a thud no power for a split second then back to normal. Didn't get a look at the dash to see if there was any warning lights. Just wondering if anybody has come across this problem before.

Cheers

Geoff
Post #172992 3rd Oct 2012 6:26pm
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leeds



Member Since: 28 Dec 2009
Location: West Yorkshire
Posts: 8578
United Kingdom 
Yes we have twice but it wasn't just a loss of acceleration, it was more a total loss of power. We had it in but needless to say it mistified all. Having said that, touch wood, it has been ok since.
Barbara
Post #172998 3rd Oct 2012 6:58pm
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Geoff 90



Member Since: 21 Jan 2012
Location: Wexford/Dublin
Posts: 26
Well yeah I would say it was a total loss of power like it had been kicked out of gear. Wasn't a pleasant experience anyways. Like you said touch wood it doesn't happen again
Post #173000 3rd Oct 2012 7:06pm
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JWL



Member Since: 26 Oct 2011
Location: Hereford
Posts: 3443
England 2002 Defender 110 Td5 SW Coniston Green
My Td5 will do it when doing a steady 65+ for a prolonged time, motorway/dual carriageway. I have put it down to coolant temperature rising, doesn't show on the guage but it happened last time to me driving back from the LRO Show at Peterborough. There was a cross wind, I've got 2x 8" spotlights in the A bar plus the radiators are in need of a good clean out of Salisbury Plain and Welsh mud. The effect is short loss of power, the temp guage and fuel guages drop to zero but all retuns to normal. Drive 5mph slower no problem but drive faster for 10minutes and it will re-occour if climbing a hill or accelerating to overtake.
Post #173005 3rd Oct 2012 7:17pm
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TD5_90



Member Since: 02 Apr 2011
Location: Perthshire
Posts: 89
United Kingdom 1999 Defender 90 Td5 CSW Epsom Green
Not exactly the same but similar symptom in the past. Check your waste gate actuator is not sticking. There is a good video from Bell AUto Services (sponsors of this forum) I think on you tube.
Post #173067 3rd Oct 2012 10:04pm
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Geoff 90



Member Since: 21 Jan 2012
Location: Wexford/Dublin
Posts: 26
Cheers td5-90 will do over the weekend alright
Post #173072 3rd Oct 2012 10:23pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10364
United Kingdom 
I had this which eventually worsened over time.. It was the loom under the rocker cover that had deteriorated.
Post #173074 3rd Oct 2012 10:35pm
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Geoff 90



Member Since: 21 Jan 2012
Location: Wexford/Dublin
Posts: 26
Was thinking it might be the injector loom alright but it was only changed a few months ago so hoping its not that. Would be nice to know what it was all the same tho
Post #173077 3rd Oct 2012 10:37pm
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Laurie



Member Since: 22 Feb 2008
Location: Sussex, England
Posts: 2897
England 2005 Defender 90 Td5 XS CSW Bonatti Grey
Check your radiator if you've been offroading.
See.....
http://www.defender2.net/forum/topic14323.html 
Post #173095 4th Oct 2012 1:59am
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Porny
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Member Since: 31 Aug 2009
Location: Sutton Coldfield - West Midlands
Posts: 792
 
TD5_90 wrote:
Not exactly the same but similar symptom in the past. Check your waste gate actuator is not sticking. There is a good video from Bell AUto Services (sponsors of this forum) I think on you tube.


Not Pete's handy work... Whistle


My video is here Wink


Ian IRB
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Post #173106 4th Oct 2012 7:25am
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markalpha



Member Since: 23 Apr 2008
Location: Downham Market
Posts: 690
England 2013 Defender 110 Puma 2.2 XS CSW Santorini Black
Had it twice then it refused to start twice!!. Need 5 cranks to start, then second time it 3 cranks.

Dealer said it was all fine according to their computer when plugged in Rolling with laughter Rolling with laughter Rolling with laughter

They did indicate it maybe a wiring loom just 'wait and see'. They did check all earths and connections and so far it's been ok
Post #173108 4th Oct 2012 7:36am
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SteveT247



Member Since: 21 Feb 2011
Location: Central
Posts: 491
England 2002 Defender 90 Td5 XS CSW Bonatti Grey
If the turbo waste gate is seized it feels like the vehicle has hit a governor and a "surging" may be felt (it did on mine anyway). With the waste gate not opening, the turbo will be over boosting. The ECU will detect this and cut the fuel. As the boost drops, fuelling will then increase and the whole process starts again, leading to surging. If by loss of power you mean the vehicles speed starts to drop off rather than just lack of acceleration, I would look at it being something else. If it's just lack of acceleration then get some pliers or mole grips and follow Ians video.
Post #173126 4th Oct 2012 9:25am
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randallised



Member Since: 30 Apr 2012
Location: Doolin
Posts: 18
Ireland 2005 Defender 110 Td5 XS CSW Java Black
Try the relay second from left slightly bend the spades with pliers makes a tight fit again. Had same problem good as new now.
Post #180234 29th Oct 2012 11:05pm
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